33 CFR 100.905 - Door County Triathlon; Door County, WI.
(a)Regulated Area. A regulated area is established to include all waters of Horseshoe Bay within a 1000-yard radius from a position at 45°00′52.6″ N, 087°20′6.7″ W (NAD 83).
(c)Effective Date. These regulations are effective annually on the Saturday and Sunday of the third weekend of July; from 7 a.m. to 10 a.m. The time and date for this event are subject to change. In the event of a schedule change, the Coast Guard will issue a Notice of Enforcement with the exact date and time that this regulated area will be enforced.